A brief transition window permitting the use of the 2012 OBC only if the applicant can demonstrate that the architectural and engineering design work was substantially underway before January 1, 2025.
All new permit applications must fully comply with the 2024 OBC. ontario building code 2024
New provisions allow for slightly lower minimum ceiling heights (1.95m) in secondary suites to facilitate basement conversions. A brief transition window permitting the use of
If you have existing drawings prepared under the 2012 Code, you are likely facing a "change of code" situation. Here is the checklist to avoid rejection: If you have existing drawings prepared under the
The 2024 Code comes into effect on January 1, 2025 . However, there is a transition period allowing for the use of the 2012 Code for projects where a permit application is submitted before a specific deadline (usually the end of the transition period), provided construction begins within a set timeframe.
Specific ceiling height requirements for secondary suites are now codified: a minimum ceiling height of is allowed, with a clear height of 1.85 metres under beams, ducts, and over stairs.